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We present one of the most precise measurement to date of the spatial clustering of X-ray selected AGNs using a sample derived from the Chandra X-ray Observatory survey in the Bootes field. The real-space two-point correlation function over…

Cosmology and Nongalactic Astrophysics · Physics 2015-03-17 S. Starikova , R. Cool , D. Eisenstein , W. Forman , C. Jones , R. Hickox , A. Kenter , C. Kochanek , A. Kravtsov , S. S. Murray , A. Vikhlinin

(Abridged) We detect the large-scale structure of Lya emission in the Universe at redshifts z=2-3.5 by measuring the cross-correlation of Lya surface brightness with quasars in SDSS/BOSS. We use a million spectra targeting Luminous Red…

To date, the identification of interactions at z ~ 3 and above has relied on morphological analysis. Here, we present five serendipitous spectroscopic z ~ 3 Lyman break galaxy (LBG) pairs with projected proper separations < 15 h^-1 kpc in…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Jeff Cooke , Joel C. Berrier , Elizabeth J. Barton , James S. Bullock , Arthur M. Wolfe

We report the updated UV luminosity function (LF) of Lyman break galaxies (LBGs) at z~5. Combining with lower redshift data, we found that the evolution of UV LF is differential depending on the UV luminosity; i.e., the number density of…

Astrophysics · Physics 2007-05-23 I. Iwata , K. Ohta , M. Ando , G. Kiuchi , N. Tamura , M. Akiyama , K. Aoki

We report the intermediate-scale (0.3 to 40 Mpc/h) clustering of 35,000 luminous early-type galaxies at redshifts 0.16 to 0.44 from the Sloan Digital Sky Survey. We present the redshift-space two-point correlation function \xi(s), the…

[Abridged] We present results on the clustering og Lyman break galaxies (LBGs) around a probable damped Ly-alpha absorption (DLA) line cloud at z_DLA=2.974 from deep UBVI images of the field containing the quasar APM 08279+5255 (z=3.91).…

Astrophysics · Physics 2009-11-10 Nicolas Bouche , James D. Lowenthal

The Ly$\alpha$ line of high-redshift galaxies has emerged as a powerful probe of both early galaxy evolution and the epoch of reionization (EoR). Motivated by the upcoming wide-field survey with the Subaru Hyper Suprime-Cam (HSC), we study…

Cosmology and Nongalactic Astrophysics · Physics 2015-09-10 Emanuele Sobacchi , Andrei Mesinger

When applied to deep photometric catalogs, the two-point angular correlation function, w(theta), is a sensitive probe of the evolution of galaxy clustering properties. Here we present measurements of w(theta) as a function of I_AB magnitude…

We analyse a unique sample of 517 bright ($L>L^{*}$) LBGs at redshift z$\sim$3 in order to characterise the distribution of their UV slopes $\beta$ and infer their dust extinction under standard assumptions. We exploited multi-band…

Astrophysics of Galaxies · Physics 2019-06-19 S. Pilo , M. Castellano , A. Fontana , A. Grazian , K. Boutsia , L. Pentericci , E. Giallongo , E. Merlin , D. Paris , P. Santini

We analyze the clustering of photometrically selected galaxy pairs by using the halo-occupation distribution (HOD) model. We measure the angular two-point auto-correlation function, $\omega(\theta)$, for galaxies and galaxy pairs in three…

Astrophysics of Galaxies · Physics 2015-06-22 Yiran Wang , R. J. Brunner

We address the high peaks found by Steidel et al (1997) in the redshift distribution of ``Lyman-break'' objects (LBOs) at redshift z~3. The highest spike represents a relative overdensity of 2.6 in the distribution of LBOs in pixels of…

{Abridged} We report the discovery of six compact, starburst galaxy candidates with redshifts 2.3 < z < 2.8 and r-band magnitudes 19.8-20.5 in the Quasar Catalog of the Sloan Digital Sky Survey First Data Release (SDSS DR1). The SDSS…

Astrophysics · Physics 2009-11-10 Misty C. Bentz , Patrick S. Osmer , David H. Weinberg

We explore the feasibility of using Lyman-$\alpha$ (Ly$\alpha$) forests to calibrate the ensemble redshift distribution of the high-redshift tail ($2<z<3$) of photometric galaxies. We use \texttt{CoLoRe} simulations to create mock DESI…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-12 Qianjun Hang , Laura Casas , William d'Assignies , Wynne Turner , Andreu Font-Ribera , Benjamin Joachimi

We investigate the luminosity and colour dependence of clustering of CMASS galaxies in the Sloan Digital Sky Survey-III Baryon Oscillation Spectroscopic Survey Tenth Data Release. The halo occupation distribution framework is adopted to…

Near-infrared observations of Lyman-break galaxies at redshifts z~3 are beginning to provide constraints on ages, star-formation histories, dust content, metallicities, and stellar masses. At present, uncertainties of more than an order of…

Astrophysics · Physics 2009-11-07 Henry C. Ferguson , Mark Dickinson , Casey Papovich

We measured the angular clustering at z~6 from a large sample of i-dropout galaxies (293 with z<27.5 from GOODS and 95 with z<29.0 from the UDF). Our largest and most complete subsample (having L>0.5L*) shows the presence of clustering at…

Astrophysics · Physics 2011-02-11 Roderik A. Overzier , Rychard J. Bouwens , Garth D. Illingworth , Marijn Franx

Current and future large redshift surveys, as the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (SDSS-IV/eBOSS) or the Dark Energy Spectroscopic Instrument (DESI), will use emission-line galaxies (ELG) to…

We present the basic data for a large ground-based spectroscopic survey for z~3 ``Lyman break galaxies'' (LBGs), photometrically selected using rest-UV colors from very deep images in 17 high Galactic latitude fields. The total survey…

Astrophysics · Physics 2009-11-07 C. C. Steidel , K. L. Adelberger , A. E. Shapley , M. Pettini , M. Dickinson , M. Giavalisco

We perform Lyman-alpha radiative transfer calculations for reproducing Lyman-alpha properties of star-forming galaxies at high redshifts. We model a galaxy as a halo in which the density distributions of Lyman-alpha sources and H I plus…

Astrophysics of Galaxies · Physics 2020-09-30 Hyunmi Song , Kwang-Il Seon , Ho Seong Hwang

We investigate the clustering properties of 2,600 Lyman Break Galaxies (LBGs) at z=3.5-5.2 in two large blank fields, the Subaru Deep Field and the Subaru/XMM Deep Field (600arcmin^2 each). The angular correlation functions of these LBGs…